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Fix for bug #32560: crash with interval function and count(*)

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Problem: INTERVAL function implementation doesn't handle NULL range values.

Fix: skip NULL ranges looking for a proper one.


mysql-test/r/func_set.result:
  Fix for bug #32560: crash with interval function and count(*)
    - test result.
mysql-test/t/func_set.test:
  Fix for bug #32560: crash with interval function and count(*)
    - test case.
sql/item_cmpfunc.cc:
  Fix for bug #32560: crash with interval function and count(*)
    - skip NULL ranges calculating INTERVAL(...).
This commit is contained in:
unknown
2007-11-23 16:30:06 +04:00
parent 3f43b07b4a
commit 1f57bfb8d1
3 changed files with 73 additions and 13 deletions
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30
mysql-test/r/func_set.result
View File

@ -73,3 +73,33 @@ find_in_set(binary 'a', 'A,B,C')
select find_in_set('1','3,1,');
find_in_set('1','3,1,')
2
End of 4.1 tests
SELECT INTERVAL(0.0, NULL);
INTERVAL(0.0, NULL)
1
SELECT INTERVAL(0.0, CAST(NULL AS DECIMAL));
INTERVAL(0.0, CAST(NULL AS DECIMAL))
1
SELECT INTERVAL(0.0, CAST(DATE(NULL) AS DECIMAL));
INTERVAL(0.0, CAST(DATE(NULL) AS DECIMAL))
1
SELECT INTERVAL(0.0, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
INTERVAL(0.0, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL)
8
SELECT INTERVAL(0.0, CAST(NULL AS DECIMAL), CAST(NULL AS DECIMAL),
CAST(NULL AS DECIMAL), CAST(NULL AS DECIMAL), CAST(NULL AS DECIMAL),
CAST(NULL AS DECIMAL), CAST(NULL AS DECIMAL), CAST(NULL AS DECIMAL));
INTERVAL(0.0, CAST(NULL AS DECIMAL), CAST(NULL AS DECIMAL),
CAST(NULL AS DECIMAL), CAST(NULL AS DECIMAL), CAST(NULL AS DECIMAL),
CAST(NULL AS DECIMAL), CAST(NULL AS DECIMAL), CAST(NULL AS DECIMAL))
8
SELECT INTERVAL(0.0, CAST(DATE(NULL) AS DECIMAL), CAST(DATE(NULL) AS DECIMAL),
CAST(DATE(NULL) AS DECIMAL), CAST(DATE(NULL) AS DECIMAL),
CAST(DATE(NULL) AS DECIMAL), CAST(DATE(NULL) AS DECIMAL),
CAST(DATE(NULL) AS DECIMAL), CAST(DATE(NULL) AS DECIMAL));
INTERVAL(0.0, CAST(DATE(NULL) AS DECIMAL), CAST(DATE(NULL) AS DECIMAL),
CAST(DATE(NULL) AS DECIMAL), CAST(DATE(NULL) AS DECIMAL),
CAST(DATE(NULL) AS DECIMAL), CAST(DATE(NULL) AS DECIMAL),
CAST(DATE(NULL) AS DECIMAL), CAST(DATE(NULL) AS DECIMAL))
8
End of 5.0 tests